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During a national celebration, 25% of the attendees are children. If there are 8
Practice Questions
Q1
During a national celebration, 25% of the attendees are children. If there are 800 attendees, how many are adults? (2020)
600
200
400
300
Questions & Step-by-Step Solutions
During a national celebration, 25% of the attendees are children. If there are 800 attendees, how many are adults? (2020)
Steps
Concepts
Step 1: Identify the total number of attendees, which is 800.
Step 2: Calculate the number of children by finding 25% of 800. This is done by multiplying 0.25 by 800.
Step 3: Perform the multiplication: 0.25 * 800 = 200. So, there are 200 children.
Step 4: To find the number of adults, subtract the number of children from the total number of attendees: 800 - 200.
Step 5: Perform the subtraction: 800 - 200 = 600. So, there are 600 adults.
Percentage Calculation
– Understanding how to calculate a percentage of a total amount.
Subtraction
– Using subtraction to find the remaining quantity after a portion has been identified.
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